package com.example.administrator.seppdzxing.camera;
import android.graphics.Point;
import android.hardware.Camera;
import android.os.Handler;
import android.os.Message;
import android.util.Log;

import com.example.administrator.seppdzxing.utils.CaptureActivityHandler;

public class PreviewCallback implements Camera.PreviewCallback {
	private static final String TAG = PreviewCallback.class.getSimpleName();
	private final CameraConfigurationManager configManager;
	private Handler previewHandler;
	private int previewMessage;

	public PreviewCallback(CameraConfigurationManager configManager) {
		this.configManager = configManager;
	}

	public void setHandler(Handler previewHandler, int previewMessage) {
		this.previewHandler = previewHandler;
		this.previewMessage = previewMessage;
	}




	@Override
	public void onPreviewFrame(byte[] data, Camera camera) {

		Point cameraResolution = configManager.getCameraResolution();
		Handler thePreviewHandler = previewHandler;
		if (cameraResolution != null && thePreviewHandler != null) {
			Message message =null;
			if(CaptureActivityHandler.start){
				 message = thePreviewHandler.obtainMessage(previewMessage, cameraResolution.x, cameraResolution.y, data);
			}else {
				 message = thePreviewHandler.obtainMessage(previewMessage, 0, 0, null);
			}
			message.sendToTarget();
			previewHandler = null;
		} else {
			Log.d(TAG, "Got preview callback, but no handler or resolution available");
		}
	}

}
